tags:

Background Jobs and wait

Fan out work to background processes and wait for them all.

Author: chris

// Language: Bash

#!/usr/bin/env bash
set -euo pipefail

work() {
    sleep "$1"
    printf 'task %s done\n' "$1"
}

for n in 3 1 2; do
    work "$n" &
done

wait
printf 'all done\n'